[....] Starting enhanced syslogd: rsyslogd[ 12.113876] audit: type=1400 audit(1566128761.384:4): avc: denied { syslog } for pid=1905 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.15.218' (ECDSA) to the list of known hosts. 2019/08/18 11:46:12 fuzzer started 2019/08/18 11:46:15 dialing manager at 10.128.0.26:43009 2019/08/18 11:46:15 syscalls: 1327 2019/08/18 11:46:15 code coverage: enabled 2019/08/18 11:46:15 comparison tracing: CONFIG_KCOV_ENABLE_COMPARISONS is not enabled 2019/08/18 11:46:15 extra coverage: extra coverage is not supported by the kernel 2019/08/18 11:46:15 setuid sandbox: enabled 2019/08/18 11:46:15 namespace sandbox: enabled 2019/08/18 11:46:15 Android sandbox: /sys/fs/selinux/policy does not exist 2019/08/18 11:46:15 fault injection: kernel does not have systematic fault injection support 2019/08/18 11:46:15 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/08/18 11:46:15 net packet injection: enabled 2019/08/18 11:46:15 net device setup: enabled syzkaller login: [ 42.220864] ------------[ cut here ]------------ [ 42.225650] kernel BUG at mm/vmstat.c:1425! [ 42.229958] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 42.235929] Modules linked in: [ 42.239240] CPU: 0 PID: 63 Comm: kworker/0:1 Not tainted 4.4.174+ #17 [ 42.245899] Workqueue: vmstat vmstat_update [ 42.250343] task: ffff8801d8cfaf80 task.stack: ffff8801d8d80000 [ 42.256374] RIP: 0010:[] [] vmstat_update+0x99/0xb0 [ 42.264705] RSP: 0018:ffff8801d8d87bc0 EFLAGS: 00010287 [ 42.270141] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 42.277388] RDX: 0000000000000000 RSI: ffffffff81b0abec RDI: ffff8801d8cfb378 [ 42.284638] RBP: ffff8801d8d87be0 R08: ffffffff82836948 R09: ffff8801d8cfb890 [ 42.291884] R10: ffffffff83a5a940 R11: 0000000000000000 R12: ffff8801db61b380 [ 42.299132] R13: ffff8801d8d87c78 R14: ffff8801d8d2c000 R15: ffff8801db61df00 [ 42.306379] FS: 0000000000000000(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000 [ 42.314666] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.320522] CR2: 000000c422e75048 CR3: 00000001d5fae000 CR4: 00000000001606b0 [ 42.327770] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.335028] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.342274] Stack: [ 42.344416] 0000000000000000 ffff8801db61b380 ffff8801d8d87c78 ffff8801d8d2c000 [ 42.352428] ffff8801d8d87d00 ffffffff81122c25 ffffffff81122b42 ffffffff81159431 [ 42.360433] ffff8801d8d2c048 ffff8801d9e8f400 ffff880100000000 ffff8801d8d2c020 [ 42.368551] Call Trace: [ 42.371136] [] process_one_work+0x825/0x1720 [ 42.377209] [] ? process_one_work+0x742/0x1720 [ 42.383517] [] ? finish_task_switch+0x1e1/0x660 [ 42.389814] [] ? cancel_delayed_work_sync+0x20/0x20 [ 42.396458] [] worker_thread+0x4e4/0xf50 [ 42.402161] [] ? __schedule+0x7e3/0x1ee0 [ 42.407845] [] ? process_one_work+0x1720/0x1720 [ 42.414142] [] kthread+0x273/0x310 [ 42.419312] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 42.425955] [] ? _raw_spin_unlock_irq+0x39/0x60 [ 42.432249] [] ? finish_task_switch+0x1e1/0x660 [ 42.438542] [] ? finish_task_switch+0x1b3/0x660 [ 42.444846] [] ? __schedule+0x7af/0x1ee0 [ 42.450555] [] ? __schedule+0x7a3/0x1ee0 [ 42.456240] [] ? __schedule+0x7af/0x1ee0 [ 42.461943] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 42.468585] [] ret_from_fork+0x55/0x80 [ 42.474099] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 42.480733] Code: 89 f6 e8 4b 95 d1 ff 5b 41 5c 41 5d 41 5e 5d c3 e8 cd e3 6f 00 89 c0 f0 48 0f ab 05 92 f4 c1 02 72 09 5b 41 5c 41 5d 41 5e 5d c3 <0f> 0b e8 c0 84 07 00 eb af 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 [ 42.507849] RIP [] vmstat_update+0x99/0xb0 [ 42.513917] RSP [ 42.517638] ---[ end trace 6372c94d9f85f967 ]--- [ 42.522431] Kernel panic - not syncing: Fatal exception [ 42.528321] Kernel Offset: disabled [ 42.531937] Rebooting in 86400 seconds..